Nanopowders Y1-yNdyV1-xCrxO4 with y=0 and 1; X=0, 0.1, 0.2 and 0.5 synthesized by a sol-gel process. Relationship between morphological characteristics and optical properties

1. Alcaraz, L.
2. Isasi, J.
3. Caballero, A.C.
4. Izquierdo, J.G.
5. Bañares, L.